Pterygocephalus

{{Automatic taxobox

| fossil_range = {{fossilrange|55.8|40.4|Early- Middle Eocene{{cite journal | last = Sepkoski | first = Jack | title = A compendium of fossil marine animal genera | journal = Bulletins of American Paleontology | volume = 364 |page=560 | year = 2002 | url = http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class | accessdate = 2009-02-27 }}}}

| image =Pterygocephalus paradoxus 1.JPG

| image_caption =Pterygocephalus paradoxus

| taxon = Pterygocephalus

| authority = Agassiz, 1835

}}

Pterygocephalus is an extinct genus of prehistoric bony fish that lived from the early to middle Eocene.